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diff --git a/src/rocksdb/file/line_file_reader.h b/src/rocksdb/file/line_file_reader.h
new file mode 100644
index 000000000..cc302d311
--- /dev/null
+++ b/src/rocksdb/file/line_file_reader.h
@@ -0,0 +1,60 @@
+//  Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
+#pragma once
+#include <array>
+
+#include "file/sequence_file_reader.h"
+
+namespace ROCKSDB_NAMESPACE {
+
+// A wrapper on top of Env::SequentialFile for reading text lines from a file.
+// Lines are delimited by '\n'. The last line may or may not include a
+// trailing newline. Uses SequentialFileReader internally.
+class LineFileReader {
+ private:
+  std::array<char, 8192> buf_;
+  SequentialFileReader sfr_;
+  IOStatus io_status_;
+  const char* buf_begin_ = buf_.data();
+  const char* buf_end_ = buf_.data();
+  size_t line_number_ = 0;
+  bool at_eof_ = false;
+
+ public:
+  // See SequentialFileReader constructors
+  template <typename... Args>
+  explicit LineFileReader(Args&&... args)
+      : sfr_(std::forward<Args&&>(args)...) {}
+
+  static IOStatus Create(const std::shared_ptr<FileSystem>& fs,
+                         const std::string& fname, const FileOptions& file_opts,
+                         std::unique_ptr<LineFileReader>* reader,
+                         IODebugContext* dbg, RateLimiter* rate_limiter);
+
+  LineFileReader(const LineFileReader&) = delete;
+  LineFileReader& operator=(const LineFileReader&) = delete;
+
+  // Reads another line from the file, returning true on success and saving
+  // the line to `out`, without delimiter, or returning false on failure. You
+  // must check GetStatus() to determine whether the failure was just
+  // end-of-file (OK status) or an I/O error (another status).
+  // The internal rate limiter will be charged at the specified priority.
+  bool ReadLine(std::string* out, Env::IOPriority rate_limiter_priority);
+
+  // Returns the number of the line most recently returned from ReadLine.
+  // Return value is unspecified if ReadLine has returned false due to
+  // I/O error. After ReadLine returns false due to end-of-file, return
+  // value is the last returned line number, or equivalently the total
+  // number of lines returned.
+  size_t GetLineNumber() const { return line_number_; }
+
+  // Returns any error encountered during read. The error is considered
+  // permanent and no retry or recovery is attempted with the same
+  // LineFileReader.
+  const IOStatus& GetStatus() const { return io_status_; }
+};
+
+}  // namespace ROCKSDB_NAMESPACE